Survivors and families tell their stories of faith and forgiveness By David Von Drehle With Jay Newton-Small and Maya ... provided a second center of gravity. A third was in Charleston, where ...

Werner Heisenberg submitted a paper to Zeitschrift für Physik entitled ‘On quantum-theoretical reinterpretation of kinematic and mechanical relationships’, thus giving birth to quantum mechanics. In ...

In a bold step toward solving one of science’s most puzzling problems, researchers have proposed a new way to bring gravity ...

The Standard Model explains three fundamental forces—electromagnetism, the weak force, and the strong force—but gravity ...